/*******************************************************************************
 * Software Name : RCS IMS Stack
 *
 * Copyright (C) 2010-2016 Orange.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.gsma.rcs.ri.messaging.chat;

import android.database.ContentObserver;
import android.database.Cursor;
import android.os.Handler;
import android.support.v4.content.Loader;

/**
 * A content observer which holds the cursor loader in order to notify change on it.
 * 
 * @author yplo6403
 */
public class ChatCursorObserver extends ContentObserver {

    final private Loader<Cursor> mLoader;

    public ChatCursorObserver(Handler handler, Loader<Cursor> loader) {
        super(handler);
        mLoader = loader;
    }

    public Loader<Cursor> getLoader() {
        return mLoader;
    }

    @Override
    public boolean deliverSelfNotifications() {
        return true;
    }

    @Override
    public void onChange(boolean selfChange) {
        if (null != mLoader) {
            mLoader.onContentChanged();
        }
        super.onChange(selfChange);
    }
}
